23898455 has 16 divisors (see below), whose sum is σ = 32856384. Its totient is φ = 16346880.

The previous prime is 23898437. The next prime is 23898467. The reversal of 23898455 is 55489832.

It is not a de Polignac number, because 23898455 - 2¹² = 23894359 is a prime.

It is a super-2 number, since 2×23898455² = 1142272302774050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22619 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (2053524).

Almost surely, 2^23898455 is an apocalyptic number.

23898455 is a deficient number, since it is larger than the sum of its proper divisors (8957929).

23898455 is a wasteful number, since it uses less digits than its factorization.

23898455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its digits is 345600, while the sum is 44.

The square root of 23898455 is about 4888.6046066337. The cubic root of 23898455 is about 288.0425244242.

The spelling of 23898455 in words is "twenty-three million, eight hundred ninety-eight thousand, four hundred fifty-five".