23897400450 has 288 divisors, whose sum is σ = 76258065600. Its totient is φ = 4896460800.

The previous prime is 23897400379. The next prime is 23897400467. The reversal of 23897400450 is 5400479832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5900026 + ... + 5904074.

It is an arithmetic number, because the mean of its divisors is an integer number (264784950).

Almost surely, 2^23897400450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23897400450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38129032800).

23897400450 is an abundant number, since it is smaller than the sum of its proper divisors (52360665150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23897400450 is a wasteful number, since it uses less digits than its factorization.

23897400450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 23897400450 in words is "twenty-three billion, eight hundred ninety-seven million, four hundred thousand, four hundred fifty".