121030026423 has 16 divisors (see below), whose sum is σ = 176757850080. Its totient is φ = 73321773056.

The previous prime is 121030026409. The next prime is 121030026427. The reversal of 121030026423 is 324620030121.

It is a cyclic number.

It is not a de Polignac number, because 121030026423 - 2¹³ = 121030018231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121030026393 and 121030026402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030026427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40914690 + ... + 40917647.

It is an arithmetic number, because the mean of its divisors is an integer number (11047365630).

Almost surely, 2^121030026423 is an apocalyptic number.

121030026423 is a deficient number, since it is larger than the sum of its proper divisors (55727823657).

121030026423 is a wasteful number, since it uses less digits than its factorization.

121030026423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81832386.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121030026423 its reverse (324620030121), we get a palindrome (445650056544).

The spelling of 121030026423 in words is "one hundred twenty-one billion, thirty million, twenty-six thousand, four hundred twenty-three".