123364505078 has 8 divisors (see below), whose sum is σ = 185143798872. Its totient is φ = 61649905456.

The previous prime is 123364505029. The next prime is 123364505107. The reversal of 123364505078 is 870505463321.

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

It is a super-2 number, since 2×123364505078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16168775 + ... + 16176402.

It is an arithmetic number, because the mean of its divisors is an integer number (23142974859).

Almost surely, 2^123364505078 is an apocalyptic number.

123364505078 is a deficient number, since it is larger than the sum of its proper divisors (61779293794).

123364505078 is a wasteful number, since it uses less digits than its factorization.

123364505078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32347086.

The product of its (nonzero) digits is 604800, while the sum is 44.

Adding to 123364505078 its reverse (870505463321), we get a palindrome (993869968399).

The spelling of 123364505078 in words is "one hundred twenty-three billion, three hundred sixty-four million, five hundred five thousand, seventy-eight".