23345202257 has 16 divisors (see below), whose sum is σ = 26302171392. Its totient is φ = 20576484480.

The previous prime is 23345202211. The next prime is 23345202263. The reversal of 23345202257 is 75220254332.

It is a cyclic number.

It is not a de Polignac number, because 23345202257 - 2¹⁴ = 23345185873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23345202557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440903 + ... + 491004.

It is an arithmetic number, because the mean of its divisors is an integer number (1643885712).

Almost surely, 2^23345202257 is an apocalyptic number.

It is an amenable number.

23345202257 is a deficient number, since it is larger than the sum of its proper divisors (2956969135).

23345202257 is a wasteful number, since it uses less digits than its factorization.

23345202257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932008.

The product of its (nonzero) digits is 100800, while the sum is 35.

Adding to 23345202257 its reverse (75220254332), we get a palindrome (98565456589).

The spelling of 23345202257 in words is "twenty-three billion, three hundred forty-five million, two hundred two thousand, two hundred fifty-seven".