23023440142145 has 32 divisors (see below), whose sum is σ = 29500672684032. Its totient is φ = 17207708962752.

The previous prime is 23023440142111. The next prime is 23023440142147. The reversal of 23023440142145 is 54124104432032.

It is a cyclic number.

It is not a de Polignac number, because 23023440142145 - 2⁴² = 18625393631041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23023440142147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297487124 + ... + 297564506.

It is an arithmetic number, because the mean of its divisors is an integer number (921896021376).

Almost surely, 2^{23023440142145} is an apocalyptic number.

It is an amenable number.

23023440142145 is a deficient number, since it is larger than the sum of its proper divisors (6477232541887).

23023440142145 is a wasteful number, since it uses less digits than its factorization.

23023440142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137621.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 23023440142145 its reverse (54124104432032), we get a palindrome (77147544574177).

The spelling of 23023440142145 in words is "twenty-three trillion, twenty-three billion, four hundred forty million, one hundred forty-two thousand, one hundred forty-five".