121422623 has 8 divisors (see below), whose sum is σ = 143554080. Its totient is φ = 100487520.

The previous prime is 121422617. The next prime is 121422643. The reversal of 121422623 is 326224121.

It is a happy number.

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

It is not a de Polignac number, because 121422623 - 2¹² = 121418527 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121422643) 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, 298868 + ... + 299273.

It is an arithmetic number, because the mean of its divisors is an integer number (17944260).

Almost surely, 2^121422623 is an apocalyptic number.

121422623 is a deficient number, since it is larger than the sum of its proper divisors (22131457).

121422623 is an equidigital number, since it uses as much as digits as its factorization.

121422623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598177.

The product of its digits is 1152, while the sum is 23.

The square root of 121422623 is about 11019.1933915328. The cubic root of 121422623 is about 495.1839237619.

Adding to 121422623 its reverse (326224121), we get a palindrome (447646744).

The spelling of 121422623 in words is "one hundred twenty-one million, four hundred twenty-two thousand, six hundred twenty-three".