34540023 has 16 divisors (see below), whose sum is σ = 53355776. Its totient is φ = 19465920.

The previous prime is 34540001. The next prime is 34540027. The reversal of 34540023 is 32004543.

It is a happy number.

It is not a de Polignac number, because 34540023 - 2¹² = 34535927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34540027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9733 + ... + 12798.

It is an arithmetic number, because the mean of its divisors is an integer number (3334736).

Almost surely, 2^34540023 is an apocalyptic number.

34540023 is a deficient number, since it is larger than the sum of its proper divisors (18815753).

34540023 is a wasteful number, since it uses less digits than its factorization.

34540023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22614.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 34540023 is about 5877.0760587217. The cubic root of 34540023 is about 325.6673404123.

Adding to 34540023 its reverse (32004543), we get a palindrome (66544566).

The spelling of 34540023 in words is "thirty-four million, five hundred forty thousand, twenty-three".