18880623 has 24 divisors (see below), whose sum is σ = 29418480. Its totient is φ = 11629440.

The previous prime is 18880613. The next prime is 18880633. The reversal of 18880623 is 32608881.

It is an interprime number because it is at equal distance from previous prime (18880613) and next prime (18880633).

It is not a de Polignac number, because 18880623 - 2⁴ = 18880607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18880613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5665 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (1225770).

Almost surely, 2^18880623 is an apocalyptic number.

18880623 is a deficient number, since it is larger than the sum of its proper divisors (10537857).

18880623 is a wasteful number, since it uses less digits than its factorization.

18880623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 18880623 is about 4345.1838856371. The cubic root of 18880623 is about 266.2801380947.

It can be divided in two parts, 18880 and 623, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 18880623 in words is "eighteen million, eight hundred eighty thousand, six hundred twenty-three".