23031142154 has 8 divisors (see below), whose sum is σ = 35019956100. Its totient is φ = 11357823456.

The previous prime is 23031142153. The next prime is 23031142159. The reversal of 23031142154 is 45124113032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20542628929 + 2488513225 = 143327^2 + 49885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23031142153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78873629 + ... + 78873920.

Almost surely, 2^23031142154 is an apocalyptic number.

23031142154 is a deficient number, since it is larger than the sum of its proper divisors (11988813946).

23031142154 is a wasteful number, since it uses less digits than its factorization.

23031142154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157747624.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 23031142154 its reverse (45124113032), we get a palindrome (68155255186).

The spelling of 23031142154 in words is "twenty-three billion, thirty-one million, one hundred forty-two thousand, one hundred fifty-four".