23228400457 has 8 divisors (see below), whose sum is σ = 23418791936. Its totient is φ = 23038126272.

The previous prime is 23228400451. The next prime is 23228400487. The reversal of 23228400457 is 75400482232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23228400457 - 2¹⁵ = 23228367689 is a prime.

It is a super-3 number, since 3×23228400457³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23228400451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393148 + ... + 448354.

It is an arithmetic number, because the mean of its divisors is an integer number (2927348992).

Almost surely, 2^23228400457 is an apocalyptic number.

It is an amenable number.

23228400457 is a deficient number, since it is larger than the sum of its proper divisors (190391479).

23228400457 is a wasteful number, since it uses less digits than its factorization.

23228400457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58647.

The product of its (nonzero) digits is 107520, while the sum is 37.

Adding to 23228400457 its reverse (75400482232), we get a palindrome (98628882689).

The spelling of 23228400457 in words is "twenty-three billion, two hundred twenty-eight million, four hundred thousand, four hundred fifty-seven".