29539423 has 2 divisors, whose sum is σ = 29539424. Its totient is φ = 29539422.

The previous prime is 29539403. The next prime is 29539427. The reversal of 29539423 is 32493592.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29539423 is a prime.

It is a super-2 number, since 2×29539423² = 1745155022345858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29539427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14769711 + 14769712.

It is an arithmetic number, because the mean of its divisors is an integer number (14769712).

Almost surely, 2^29539423 is an apocalyptic number.

29539423 is a deficient number, since it is larger than the sum of its proper divisors (1).

29539423 is an equidigital number, since it uses as much as digits as its factorization.

29539423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 29539423 is about 5435.0182152409. The cubic root of 29539423 is about 309.1249097886.

The spelling of 29539423 in words is "twenty-nine million, five hundred thirty-nine thousand, four hundred twenty-three".