121423004 has 6 divisors (see below), whose sum is σ = 212490264. Its totient is φ = 60711500.

The previous prime is 121422997. The next prime is 121423069. The reversal of 121423004 is 400324121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177872 + ... + 15177879.

It is an arithmetic number, because the mean of its divisors is an integer number (35415044).

Almost surely, 2^121423004 is an apocalyptic number.

It is an amenable number.

121423004 is a deficient number, since it is larger than the sum of its proper divisors (91067260).

121423004 is a wasteful number, since it uses less digits than its factorization.

121423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355755 (or 30355753 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121423004 is about 11019.2106795360. The cubic root of 121423004 is about 495.1844416908.

Adding to 121423004 its reverse (400324121), we get a palindrome (521747125).

The spelling of 121423004 in words is "one hundred twenty-one million, four hundred twenty-three thousand, four".