90023401 has 8 divisors (see below), whose sum is σ = 97179264. Its totient is φ = 82900560.

The previous prime is 90023399. The next prime is 90023429. The reversal of 90023401 is 10432009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90023401 - 2¹ = 90023399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90023201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (12147408).

Almost surely, 2^90023401 is an apocalyptic number.

It is an amenable number.

90023401 is a deficient number, since it is larger than the sum of its proper divisors (7155863).

90023401 is a wasteful number, since it uses less digits than its factorization.

90023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 90023401 is about 9488.0662413371. The cubic root of 90023401 is about 448.1793117908.

It can be divided in two parts, 9002 and 3401, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 90023401 in words is "ninety million, twenty-three thousand, four hundred one".