1023130023215 has 4 divisors (see below), whose sum is σ = 1227756027864. Its totient is φ = 818504018568.

The previous prime is 1023130023161. The next prime is 1023130023217. The reversal of 1023130023215 is 5123200313201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023130023215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023130023217) 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, 102313002317 + ... + 102313002326.

It is an arithmetic number, because the mean of its divisors is an integer number (306939006966).

Almost surely, 2^{1023130023215} is an apocalyptic number.

1023130023215 is a deficient number, since it is larger than the sum of its proper divisors (204626004649).

1023130023215 is an equidigital number, since it uses as much as digits as its factorization.

1023130023215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204626004648.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1023130023215 its reverse (5123200313201), we get a palindrome (6146330336416).

The spelling of 1023130023215 in words is "one trillion, twenty-three billion, one hundred thirty million, twenty-three thousand, two hundred fifteen".