23400431034 has 64 divisors (see below), whose sum is σ = 49803313152. Its totient is φ = 7316827200.

The previous prime is 23400431009. The next prime is 23400431057. The reversal of 23400431034 is 43013400432.

It is a junction number, because it is equal to n+sod(n) for n = 23400430995 and 23400431013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1858749 + ... + 1871295.

It is an arithmetic number, because the mean of its divisors is an integer number (778176768).

Almost surely, 2^23400431034 is an apocalyptic number.

23400431034 is an abundant number, since it is smaller than the sum of its proper divisors (26402882118).

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

23400431034 is a wasteful number, since it uses less digits than its factorization.

23400431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23400431034 its reverse (43013400432), we get a palindrome (66413831466).

The spelling of 23400431034 in words is "twenty-three billion, four hundred million, four hundred thirty-one thousand, thirty-four".