123022300451 has 4 divisors (see below), whose sum is σ = 123133232400. Its totient is φ = 122911368504.

The previous prime is 123022300421. The next prime is 123022300459. The reversal of 123022300451 is 154003220321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123022300451 is a prime.

It is a super-2 number, since 2×123022300451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123022300459) 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, 55464311 + ... + 55466528.

It is an arithmetic number, because the mean of its divisors is an integer number (30783308100).

Almost surely, 2^123022300451 is an apocalyptic number.

123022300451 is a deficient number, since it is larger than the sum of its proper divisors (110931949).

123022300451 is a wasteful number, since it uses less digits than its factorization.

123022300451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110931948.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 123022300451 its reverse (154003220321), we get a palindrome (277025520772).

The spelling of 123022300451 in words is "one hundred twenty-three billion, twenty-two million, three hundred thousand, four hundred fifty-one".