103426403 has 4 divisors (see below), whose sum is σ = 103447680. Its totient is φ = 103405128.

The previous prime is 103426399. The next prime is 103426409. The reversal of 103426403 is 304624301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103426403 - 2² = 103426399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103426409) 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, 638 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (25861920).

Almost surely, 2^103426403 is an apocalyptic number.

103426403 is a deficient number, since it is larger than the sum of its proper divisors (21277).

103426403 is an equidigital number, since it uses as much as digits as its factorization.

103426403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21276.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 103426403 is about 10169.8772362305. The cubic root of 103426403 is about 469.4007800425.

The spelling of 103426403 in words is "one hundred three million, four hundred twenty-six thousand, four hundred three".