23342978040 has 64 divisors (see below), whose sum is σ = 70190820000. Its totient is φ = 6210404352.

The previous prime is 23342978027. The next prime is 23342978041. The reversal of 23342978040 is 4087924332.

It is a junction number, because it is equal to n+sod(n) for n = 23342977983 and 23342978001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23342978041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172665 + ... + 276584.

Almost surely, 2^23342978040 is an apocalyptic number.

23342978040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23342978040 is an abundant number, since it is smaller than the sum of its proper divisors (46847841960).

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

23342978040 is a wasteful number, since it uses less digits than its factorization.

23342978040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449696 (or 449692 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 23342978040 in words is "twenty-three billion, three hundred forty-two million, nine hundred seventy-eight thousand, forty".