1234420023 has 8 divisors (see below), whose sum is σ = 1660459248. Its totient is φ = 815663744.

The previous prime is 1234420013. The next prime is 1234420067. The reversal of 1234420023 is 3200244321.

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

It is a cyclic number.

It is not a de Polignac number, because 1234420023 - 2¹⁸ = 1234157879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234420013) 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, 1820340 + ... + 1821017.

It is an arithmetic number, because the mean of its divisors is an integer number (207557406).

Almost surely, 2^1234420023 is an apocalyptic number.

1234420023 is a deficient number, since it is larger than the sum of its proper divisors (426039225).

1234420023 is a wasteful number, since it uses less digits than its factorization.

1234420023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641473.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1234420023 is about 35134.3140391270. The cubic root of 1234420023 is about 1072.7231487251.

Adding to 1234420023 its reverse (3200244321), we get a palindrome (4434664344).

The spelling of 1234420023 in words is "one billion, two hundred thirty-four million, four hundred twenty thousand, twenty-three".