23455890145297 has 16 divisors (see below), whose sum is σ = 26279661081600. Its totient is φ = 20804731580160.

The previous prime is 23455890145271. The next prime is 23455890145327. The reversal of 23455890145297 is 79254109855432.

It is not a de Polignac number, because 23455890145297 - 2¹⁹ = 23455889621009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23455890145217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190040022 + ... + 190163407.

It is an arithmetic number, because the mean of its divisors is an integer number (1642478817600).

Almost surely, 2^{23455890145297} is an apocalyptic number.

It is an amenable number.

23455890145297 is a deficient number, since it is larger than the sum of its proper divisors (2823770936303).

23455890145297 is a wasteful number, since it uses less digits than its factorization.

23455890145297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380203656.

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 23455890145297 in words is "twenty-three trillion, four hundred fifty-five billion, eight hundred ninety million, one hundred forty-five thousand, two hundred ninety-seven".