23077638 has 24 divisors (see below), whose sum is σ = 50637600. Its totient is φ = 7594704.

The previous prime is 23077633. The next prime is 23077643. The reversal of 23077638 is 83677032.

It is an interprime number because it is at equal distance from previous prime (23077633) and next prime (23077643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23077633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6693 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (2109900).

Almost surely, 2^23077638 is an apocalyptic number.

23077638 is an abundant number, since it is smaller than the sum of its proper divisors (27559962).

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

23077638 is a wasteful number, since it uses less digits than its factorization.

23077638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316 (or 16313 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 23077638 is about 4803.9190251294. The cubic root of 23077638 is about 284.7063272267.

The spelling of 23077638 in words is "twenty-three million, seventy-seven thousand, six hundred thirty-eight".