23523480 has 128 divisors (see below), whose sum is σ = 81907200. Its totient is φ = 5993856.

The previous prime is 23523473. The next prime is 23523541. The reversal of 23523480 is 8432532.

It is a super-2 number, since 2×23523480² = 1106708222620800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24367 + ... + 25313.

It is an arithmetic number, because the mean of its divisors is an integer number (639900).

Almost surely, 2^23523480 is an apocalyptic number.

23523480 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 23523480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40953600).

23523480 is an abundant number, since it is smaller than the sum of its proper divisors (58383720).

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

23523480 is a wasteful number, since it uses less digits than its factorization.

23523480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 980 counting only the distinct ones).

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

The square root of 23523480 is about 4850.1010298756. The cubic root of 23523480 is about 286.5280803595.

It can be divided in two parts, 2352 and 3480, that added together give a cube (5832 = 18³).

The spelling of 23523480 in words is "twenty-three million, five hundred twenty-three thousand, four hundred eighty".