23014651240 has 96 divisors (see below), whose sum is σ = 60770985480. Its totient is φ = 7820832768.

The previous prime is 23014651229. The next prime is 23014651249. The reversal of 23014651240 is 4215641032.

It can be written as a sum of positive squares in 4 ways, for example, as 7492979844 + 15521671396 = 86562^2 + 124586^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23014651199 and 23014651208.

It is not an unprimeable number, because it can be changed into a prime (23014651249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169524 + ... + 273436.

Almost surely, 2^23014651240 is an apocalyptic number.

23014651240 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 23014651240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30385492740).

23014651240 is an abundant number, since it is smaller than the sum of its proper divisors (37756334240).

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

23014651240 is a wasteful number, since it uses less digits than its factorization.

23014651240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104051 (or 104040 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 23014651240 in words is "twenty-three billion, fourteen million, six hundred fifty-one thousand, two hundred forty".