23070869640 has 384 divisors, whose sum is σ = 92858088960. Its totient is φ = 4837404672.

The previous prime is 23070869639. The next prime is 23070869687. The reversal of 23070869640 is 4696807032.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5468812 + ... + 5473028.

It is an arithmetic number, because the mean of its divisors is an integer number (241817940).

Almost surely, 2^23070869640 is an apocalyptic number.

23070869640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23070869640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46429044480).

23070869640 is an abundant number, since it is smaller than the sum of its proper divisors (69787219320).

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

23070869640 is a wasteful number, since it uses less digits than its factorization.

23070869640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 23070869640 in words is "twenty-three billion, seventy million, eight hundred sixty-nine thousand, six hundred forty".