3400172623 has 2 divisors, whose sum is σ = 3400172624. Its totient is φ = 3400172622.

The previous prime is 3400172563. The next prime is 3400172627. The reversal of 3400172623 is 3262710043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3400172623 - 2¹³ = 3400164431 is a prime.

It is a super-2 number, since 2×3400172623² = 23122347732397400258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3400172591 and 3400172600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400172627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700086311 + 1700086312.

It is an arithmetic number, because the mean of its divisors is an integer number (1700086312).

Almost surely, 2^3400172623 is an apocalyptic number.

3400172623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400172623 is an equidigital number, since it uses as much as digits as its factorization.

3400172623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 3400172623 is about 58310.9991596783. Note that the first 3 decimals coincide. The cubic root of 3400172623 is about 1503.7200440363.

Adding to 3400172623 its reverse (3262710043), we get a palindrome (6662882666).

The spelling of 3400172623 in words is "three billion, four hundred million, one hundred seventy-two thousand, six hundred twenty-three".