23729349 has 12 divisors (see below), whose sum is σ = 36193056. Its totient is φ = 13546872.

The previous prime is 23729341. The next prime is 23729351. The reversal of 23729349 is 94392732.

It is not a de Polignac number, because 23729349 - 2³ = 23729341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21792 + ... + 22854.

It is an arithmetic number, because the mean of its divisors is an integer number (3016088).

Almost surely, 2^23729349 is an apocalyptic number.

It is an amenable number.

23729349 is a deficient number, since it is larger than the sum of its proper divisors (12463707).

23729349 is an frugal number, since it uses more digits than its factorization.

23729349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 1073 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 23729349 is about 4871.2779637381. The cubic root of 23729349 is about 287.3615171753.

The spelling of 23729349 in words is "twenty-three million, seven hundred twenty-nine thousand, three hundred forty-nine".