23146943040 has 504 divisors, whose sum is σ = 90784923840. Its totient is φ = 5395673088.

The previous prime is 23146943033. The next prime is 23146943077. The reversal of 23146943040 is 4034964132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23146942986 and 23146943004.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9246429 + ... + 9248931.

Almost surely, 2^23146943040 is an apocalyptic number.

23146943040 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 23146943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45392461920).

23146943040 is an abundant number, since it is smaller than the sum of its proper divisors (67637980800).

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

23146943040 is a wasteful number, since it uses less digits than its factorization.

23146943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 23146943040 in words is "twenty-three billion, one hundred forty-six million, nine hundred forty-three thousand, forty".