121034423 has 4 divisors (see below), whose sum is σ = 121172688. Its totient is φ = 120896160.

The previous prime is 121034411. The next prime is 121034467. The reversal of 121034423 is 324430121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324430121 = 103 ⋅3149807.

It is a cyclic number.

It is not a de Polignac number, because 121034423 - 2⁶ = 121034359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121034395 and 121034404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121034483) 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, 67811 + ... + 69572.

It is an arithmetic number, because the mean of its divisors is an integer number (30293172).

Almost surely, 2^121034423 is an apocalyptic number.

121034423 is a deficient number, since it is larger than the sum of its proper divisors (138265).

121034423 is an equidigital number, since it uses as much as digits as its factorization.

121034423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138264.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121034423 is about 11001.5645705509. The cubic root of 121034423 is about 494.6556432298.

Adding to 121034423 its reverse (324430121), we get a palindrome (445464544).

The spelling of 121034423 in words is "one hundred twenty-one million, thirty-four thousand, four hundred twenty-three".