23403042149 has 16 divisors (see below), whose sum is σ = 24408552960. Its totient is φ = 22420694400.

The previous prime is 23403042139. The next prime is 23403042193. The reversal of 23403042149 is 94124030432.

It is a cyclic number.

It is not a de Polignac number, because 23403042149 - 2¹² = 23403038053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403042109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082849 + ... + 1104249.

It is an arithmetic number, because the mean of its divisors is an integer number (1525534560).

Almost surely, 2^23403042149 is an apocalyptic number.

It is an amenable number.

23403042149 is a deficient number, since it is larger than the sum of its proper divisors (1005510811).

23403042149 is a wasteful number, since it uses less digits than its factorization.

23403042149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21940.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 23403042149 in words is "twenty-three billion, four hundred three million, forty-two thousand, one hundred forty-nine".