23240502 has 12 divisors (see below), whose sum is σ = 50354460. Its totient is φ = 7746828.

The previous prime is 23240473. The next prime is 23240519. The reversal of 23240502 is 20504232.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1291139 = 23240502 / (2 + 3 + 2 + 4 + 0 + 5 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 645552 + ... + 645587.

It is an arithmetic number, because the mean of its divisors is an integer number (4196205).

Almost surely, 2^23240502 is an apocalyptic number.

23240502 is an abundant number, since it is smaller than the sum of its proper divisors (27113958).

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

23240502 is a wasteful number, since it uses less digits than its factorization.

23240502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291147 (or 1291144 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23240502 is about 4820.8403831697. The cubic root of 23240502 is about 285.3745030535.

Adding to 23240502 its reverse (20504232), we get a palindrome (43744734).

The spelling of 23240502 in words is "twenty-three million, two hundred forty thousand, five hundred two".