23450740 has 12 divisors (see below), whose sum is σ = 49246596. Its totient is φ = 9380288.

The previous prime is 23450719. The next prime is 23450743. The reversal of 23450740 is 4705432.

It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 14653584 = 2966^2 + 3828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586249 + ... + 586288.

It is an arithmetic number, because the mean of its divisors is an integer number (4103883).

Almost surely, 2^23450740 is an apocalyptic number.

23450740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23450740 is an abundant number, since it is smaller than the sum of its proper divisors (25795856).

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

23450740 is a wasteful number, since it uses less digits than its factorization.

23450740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172546 (or 1172544 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23450740 is about 4842.5964110175. The cubic root of 23450740 is about 286.2324385532.

The spelling of 23450740 in words is "twenty-three million, four hundred fifty thousand, seven hundred forty".