23450212555 has 32 divisors (see below), whose sum is σ = 35411904000. Its totient is φ = 14481669120.

The previous prime is 23450212553. The next prime is 23450212559. The reversal of 23450212555 is 55521205432.

It is not a de Polignac number, because 23450212555 - 2¹ = 23450212553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23450212555.

It is not an unprimeable number, because it can be changed into a prime (23450212553) 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, 243430 + ... + 325819.

It is an arithmetic number, because the mean of its divisors is an integer number (1106622000).

Almost surely, 2^23450212555 is an apocalyptic number.

23450212555 is a deficient number, since it is larger than the sum of its proper divisors (11961691445).

23450212555 is a wasteful number, since it uses less digits than its factorization.

23450212555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569379.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 23450212555 its reverse (55521205432), we get a palindrome (78971417987).

The spelling of 23450212555 in words is "twenty-three billion, four hundred fifty million, two hundred twelve thousand, five hundred fifty-five".