23898042 has 48 divisors (see below), whose sum is σ = 59497152. Its totient is φ = 6791040.

The previous prime is 23898023. The next prime is 23898089. The reversal of 23898042 is 24089832.

It is a super-2 number, since 2×23898042² = 1142232822867528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23897988 and 23898006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29973 + ... + 30759.

It is an arithmetic number, because the mean of its divisors is an integer number (1239524).

Almost surely, 2^23898042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23898042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29748576).

23898042 is an abundant number, since it is smaller than the sum of its proper divisors (35599110).

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

23898042 is a wasteful number, since it uses less digits than its factorization.

23898042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 23898042 is about 4888.5623653586. The cubic root of 23898042 is about 288.0408651503.

The spelling of 23898042 in words is "twenty-three million, eight hundred ninety-eight thousand, forty-two".