23146434 has 12 divisors (see below), whose sum is σ = 50150646. Its totient is φ = 7715472.

The previous prime is 23146393. The next prime is 23146439. The reversal of 23146434 is 43464132.

23146434 is a `hidden beast` number, since 2 + 3 + 14 + 643 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12938409 + 10208025 = 3597^2 + 3195^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23146398 and 23146407.

It is not an unprimeable number, because it can be changed into a prime (23146439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642939 + ... + 642974.

Almost surely, 2^23146434 is an apocalyptic number.

23146434 is an abundant number, since it is smaller than the sum of its proper divisors (27004212).

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

23146434 is a wasteful number, since it uses less digits than its factorization.

23146434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285921 (or 1285918 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23146434 is about 4811.0741004478. The cubic root of 23146434 is about 284.9889561741.

It can be divided in two parts, 231 and 46434, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 23146434 in words is "twenty-three million, one hundred forty-six thousand, four hundred thirty-four".