23645164380 has 24 divisors (see below), whose sum is σ = 66206460432. Its totient is φ = 6305377152.

The previous prime is 23645164373. The next prime is 23645164393. The reversal of 23645164380 is 8346154632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197042977 + ... + 197043096.

It is an arithmetic number, because the mean of its divisors is an integer number (2758602518).

Almost surely, 2^23645164380 is an apocalyptic number.

23645164380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23645164380 is an abundant number, since it is smaller than the sum of its proper divisors (42561296052).

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

23645164380 is a wasteful number, since it uses less digits than its factorization.

23645164380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394086085 (or 394086083 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 23645164380 in words is "twenty-three billion, six hundred forty-five million, one hundred sixty-four thousand, three hundred eighty".