1423040012103 has 4 divisors (see below), whose sum is σ = 1897386682808. Its totient is φ = 948693341400.

The previous prime is 1423040012099. The next prime is 1423040012111. The reversal of 1423040012103 is 3012100403241.

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

It is not a de Polignac number, because 1423040012103 - 2² = 1423040012099 is a prime.

It is a super-2 number, since 2×1423040012103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423040012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423040012113) 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, 237173335348 + ... + 237173335353.

It is an arithmetic number, because the mean of its divisors is an integer number (474346670702).

Almost surely, 2^{1423040012103} is an apocalyptic number.

1423040012103 is a deficient number, since it is larger than the sum of its proper divisors (474346670705).

1423040012103 is an equidigital number, since it uses as much as digits as its factorization.

1423040012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474346670704.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1423040012103 its reverse (3012100403241), we get a palindrome (4435140415344).

The spelling of 1423040012103 in words is "one trillion, four hundred twenty-three billion, forty million, twelve thousand, one hundred three".