23542380 has 48 divisors (see below), whose sum is σ = 73244640. Its totient is φ = 6277824.

The previous prime is 23542373. The next prime is 23542381. The reversal of 23542380 is 8324532.

23542380 is a `hidden beast` number, since 235 + 423 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23542381) 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, 21259 + ... + 22338.

It is an arithmetic number, because the mean of its divisors is an integer number (1525930).

Almost surely, 2^23542380 is an apocalyptic number.

23542380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23542380 is an abundant number, since it is smaller than the sum of its proper divisors (49702260).

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

23542380 is a wasteful number, since it uses less digits than its factorization.

23542380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43615 (or 43607 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23542380 is about 4852.0490516894. The cubic root of 23542380 is about 286.6047970560.

The spelling of 23542380 in words is "twenty-three million, five hundred forty-two thousand, three hundred eighty".