23438154029 has 4 divisors (see below), whose sum is σ = 23458915260. Its totient is φ = 23417392800.

The previous prime is 23438154017. The next prime is 23438154041. The reversal of 23438154029 is 92045183432.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23438154017) and next prime (23438154041).

It can be written as a sum of positive squares in 2 ways, for example, as 9347989225 + 14090164804 = 96685^2 + 118702^2 .

It is a cyclic number.

It is not a de Polignac number, because 23438154029 - 2¹⁶ = 23438088493 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 (23438154059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10378922 + ... + 10381179.

It is an arithmetic number, because the mean of its divisors is an integer number (5864728815).

Almost surely, 2^23438154029 is an apocalyptic number.

It is an amenable number.

23438154029 is a deficient number, since it is larger than the sum of its proper divisors (20761231).

23438154029 is a wasteful number, since it uses less digits than its factorization.

23438154029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761230.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 23438154029 in words is "twenty-three billion, four hundred thirty-eight million, one hundred fifty-four thousand, twenty-nine".