142123402333021 has 8 divisors (see below), whose sum is σ = 150745593477600. Its totient is φ = 133615412395920.

The previous prime is 142123402333019. The next prime is 142123402333051. The reversal of 142123402333021 is 120333204321241.

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

It is a cyclic number.

It is not a de Polignac number, because 142123402333021 - 2¹ = 142123402333019 is a prime.

It is a super-2 number, since 2×142123402333021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123402333051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28550299306 + ... + 28550304283.

It is an arithmetic number, because the mean of its divisors is an integer number (18843199184700).

Almost surely, 2^{142123402333021} is an apocalyptic number.

It is an amenable number.

142123402333021 is a deficient number, since it is larger than the sum of its proper divisors (8622191144579).

142123402333021 is a wasteful number, since it uses less digits than its factorization.

142123402333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57100603739.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 142123402333021 its reverse (120333204321241), we get a palindrome (262456606654262).

The spelling of 142123402333021 in words is "one hundred forty-two trillion, one hundred twenty-three billion, four hundred two million, three hundred thirty-three thousand, twenty-one".