23229738 has 48 divisors (see below), whose sum is σ = 57822336. Its totient is φ = 6602400.

The previous prime is 23229733. The next prime is 23229751. The reversal of 23229738 is 83792232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23229733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32788 + ... + 33488.

It is an arithmetic number, because the mean of its divisors is an integer number (1204632).

Almost surely, 2^23229738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23229738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28911168).

23229738 is an abundant number, since it is smaller than the sum of its proper divisors (34592598).

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

23229738 is a wasteful number, since it uses less digits than its factorization.

23229738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 976 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23229738 is about 4819.7238510106. The cubic root of 23229738 is about 285.3304385218.

The spelling of 23229738 in words is "twenty-three million, two hundred twenty-nine thousand, seven hundred thirty-eight".