126984997023 has 8 divisors (see below), whose sum is σ = 169326225408. Its totient is φ = 84650216664.

The previous prime is 126984997001. The next prime is 126984997033. The reversal of 126984997023 is 320799489621.

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

It is not a de Polignac number, because 126984997023 - 2⁶ = 126984996959 is a prime.

It is a super-2 number, since 2×126984997023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126984997033) 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 7 ways as a sum of consecutive naturals, for example, 1565865 + ... + 1644962.

It is an arithmetic number, because the mean of its divisors is an integer number (21165778176).

Almost surely, 2^126984997023 is an apocalyptic number.

126984997023 is a deficient number, since it is larger than the sum of its proper divisors (42341228385).

126984997023 is a wasteful number, since it uses less digits than its factorization.

126984997023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224013.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 126984997023 in words is "one hundred twenty-six billion, nine hundred eighty-four million, nine hundred ninety-seven thousand, twenty-three".