1023030401123 has 4 divisors (see below), whose sum is σ = 1047982362168. Its totient is φ = 998078440080.

The previous prime is 1023030401093. The next prime is 1023030401153. The reversal of 1023030401123 is 3211040303201.

1023030401123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1023030401093) and next prime (1023030401153).

It is a cyclic number.

It is not a de Polignac number, because 1023030401123 - 2¹² = 1023030397027 is a prime.

It is a super-2 number, since 2×1023030401123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023030401095 and 1023030401104.

It is not an unprimeable number, because it can be changed into a prime (1023030401153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12475980461 + ... + 12475980542.

It is an arithmetic number, because the mean of its divisors is an integer number (261995590542).

Almost surely, 2^{1023030401123} is an apocalyptic number.

1023030401123 is a deficient number, since it is larger than the sum of its proper divisors (24951961045).

1023030401123 is an equidigital number, since it uses as much as digits as its factorization.

1023030401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951961044.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1023030401123 its reverse (3211040303201), we get a palindrome (4234070704324).

The spelling of 1023030401123 in words is "one trillion, twenty-three billion, thirty million, four hundred one thousand, one hundred twenty-three".