23011434 has 24 divisors (see below), whose sum is σ = 50800932. Its totient is φ = 7525440.

The previous prime is 23011427. The next prime is 23011459. The reversal of 23011434 is 43411032.

23011434 is a `hidden beast` number, since 230 + 1 + 1 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 225 = 4797^2 + 15^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11107 + ... + 13014.

Almost surely, 2^23011434 is an apocalyptic number.

23011434 is an abundant number, since it is smaller than the sum of its proper divisors (27789498).

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

23011434 is a wasteful number, since it uses less digits than its factorization.

23011434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182 (or 24179 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23011434 is about 4797.0234521003. The cubic root of 23011434 is about 284.4338159390.

Adding to 23011434 its reverse (43411032), we get a palindrome (66422466).

It can be divided in two parts, 230 and 11434, that added together give a square (11664 = 108²).

The spelling of 23011434 in words is "twenty-three million, eleven thousand, four hundred thirty-four".